<?php
/**
 * Application level Controller
 *
 * This file is application-wide controller file. You can put all
 * application-wide controller-related methods here.
 *
 * PHP 5
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @package       app.Controller
 * @since         CakePHP(tm) v 0.2.9
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
App::uses('Controller', 'Controller');

/**
 * Application Controller
 *
 * Add your application-wide methods in the class below, your controllers
 * will inherit them.
 *
 * @package		app.Controller
 * @link		http://book.cakephp.org/2.0/en/controllers.html#the-app-controller
 */
class AppController extends Controller {
	public $components = array(
        'Session',
        'Auth' => array(
            'loginRedirect' => array('controller' => 'posts', 'action' => 'index'),
            'logoutRedirect' => array('controller' => 'users', 'action' => 'login'),
	         'authorize' => array('Controller')
        )
    );
    
    public function beforeFilter(){
    	$this->Auth->allow('index');
    	$this->set('logged_in',$this->_loggedIn());
        $this->set('users_username',$this->_usersUsername());
    }
    
    public function isAuthorized($user) {
    // Admin can access every action
      if (isset($user['role']) && $user['role'] === 'admin') {
        return true;
      }

    // Default deny
      return false;
    }
    
    function _loggedIn(){
      $logged_in = FALSE;
      if($this->Auth->user()){
         $logged_in = TRUE;
      }
      return $logged_in;
    }
 
//Lay gia tri username hien tai
    function _usersUsername(){
      $users_username=NULL;
      if($this->Auth->user()){
          $users_username = $this->Auth->user('username');
      }
      return $users_username;
    }  
}
